Essar Group

This could actually be a very huge project - to research the history of this company, the people involved in it, and the reactions of countries and localities where it has set up operations. For a quick start, or introduction, there are a number of web searches you might find useful.

In Google, "Essar Steel" opposition site:gov.in gets 5 hits; "Essar group" site:gov.in gets 57. "Essar Steel" site:ac.in (86 hits) or "Essar group" site:ac.in (94 hits), get many sites to do with university affiliations, or people who are involved with the company. US government searches "Essar group" site:gov (4 hits) and especially "Essar steel" site:gov (82 hits) may be useful, because they report incidents such as Iron Ore in May 2007 Essar Steel Holdings Limited’s iron ore beneficiation plant ....attacked National Mineral Development Corporation’s rail line ... , which reports: "In India, Maoist rebels targeted railway property and mine infrastructure. The rebels damaged the water pumping station at Essar Steel Holdings Limited’s iron ore beneficiation plant and attacked National Mineral Development Corporation’s rail line from the Bailadila mines—both in Chhattisgarh State."

The Edgar database gets 10 hits for the search: essar in the company name, and might well help you find U.S. subsidiaries or people involved with Essar.
In Edgar full-text search, click "Advanced search" and get 14 hits for the "company name" search: essar